More than 280 species of caddisflies (Trichoptera), representing 80
genera in 16 families, are known to occur in Oregon. Detailed distribution
records within the state are given, as well as the known geographic range
...

Production and marketing of the lily crop involves bulb growers, wholesale
florists (jobbers), greenhouse forcers, and research horticulturists whose
success depends in great measure on their knowledge of bulb physiolo ...